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240430s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c00934
|2 doi
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|a pubmed24n1407.xml
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|a (NLM)38683169
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Chu, Jiahui
|e verfasserin
|4 aut
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| 245 |
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|a Hierarchical Structure with Microcrater Covered with Nanograss Enhancing Condensation and Its Antifrosting/Anti-Icing Performance Inspired by Euphorbia helioscopia L
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|c 2024
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 14.05.2024
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|a Date Revised 14.05.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Over an extended period of evolution and natural selection, a multitude of species developed a diverse array of biological interface features with specific functions. These biological structures provide a rich source of inspiration for the design of bionic structures on superhydrophobic surfaces. Understanding the functional mechanism of plant leaves is of paramount importance for the advancement of new engineering materials and the further promotion of engineering applications of bionic research. The hierarchical structure of microcrater-covered nanograss (MCNG) on the surface of E. helioscopia L. leaf provided the inspiration for the bionic MCNG surface, which was successfully prepared on a copper substrate by hybrid laser micromachining technology and chemical etching. The combined action of texture structure and surface chemistry resulted in a contact angle of 169° ± 1° for MCNG surface droplets and a rolling angle of less than 1°. Notably, the condensation-induced adhesion force does not augment with the increase of the temperature difference, which facilitated the shedding of hot droplets from the surface. The microscope observation revealed a high density of condensed droplets on the MCNG surface and the tangible jumping behavior of the droplets. The fabricated MCNG also demonstrated excellent antifrost/anti-icing abilities in low-temperature and high-humidity environments. Finally, the study confirmed the exceptional mechanical durability and reusability of the MCNG surface through various tests, including scratch damage, sandpaper wear, water flow impact and flushing, and condensation-drying cycle tests. The nanograss can be effectively protected within the microcrater structure. This research presents a promising approach for preventing and/or removing unwanted droplets in numerous engineering applications
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|a Journal Article
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|a Feng, Xiaoming
|e verfasserin
|4 aut
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|a Li, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Fengqin
|e verfasserin
|4 aut
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| 700 |
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|a Tian, Guizhong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 19 vom: 14. Mai, Seite 10313-10325
|w (DE-627)NLM098181009
|x 1520-5827
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| 773 |
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|g volume:40
|g year:2024
|g number:19
|g day:14
|g month:05
|g pages:10313-10325
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|u http://dx.doi.org/10.1021/acs.langmuir.4c00934
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